//package com.life.notes.config.utils;
//
//import cn.afterturn.easypoi.excel.ExcelExportUtil;
//import cn.afterturn.easypoi.excel.ExcelImportUtil;
//import cn.afterturn.easypoi.excel.entity.ExportParams;
//import cn.afterturn.easypoi.excel.entity.ImportParams;
//import cn.afterturn.easypoi.excel.entity.enmus.ExcelType;
//import com.life.notes.config.exception.SystemException;
//import org.apache.commons.lang3.StringUtils;
//import org.apache.poi.ss.usermodel.Workbook;
//import org.springframework.web.multipart.MultipartFile;
//
//import javax.servlet.http.HttpServletResponse;
//import java.io.File;
//import java.io.IOException;
//import java.net.URLEncoder;
//import java.util.List;
//import java.util.Map;
//import java.util.NoSuchElementException;
//
///**
// * 文件导出导入
// * @author lishuqian
// * @date 2020/6/15
// */
//public class FileUtil {
//    public FileUtil() {
//    }
//
//    public static void exportExcel(List<?> list, String title, String sheetName, Class<?> pojoClass, String fileName, boolean isCreateHeader, HttpServletResponse response) {
//        ExportParams exportParams = new ExportParams(title, sheetName);
//        exportParams.setCreateHeadRows(isCreateHeader);
//        defaultExport(list, pojoClass, fileName, response, exportParams);
//    }
//
//    public static void exportExcel(List<?> list, String title, String sheetName, Class<?> pojoClass, String fileName, HttpServletResponse response) {
//        defaultExport(list, pojoClass, fileName, response, new ExportParams(title, sheetName));
//    }
//
//    public static void exportExcel(List<Map<String, Object>> list, String fileName, HttpServletResponse response) {
//        defaultExport(list, fileName, response);
//    }
//
//    private static void defaultExport(List<?> list, Class<?> pojoClass, String fileName, HttpServletResponse response, ExportParams exportParams) {
//        Workbook workbook = ExcelExportUtil.exportExcel(exportParams, pojoClass, list);
//        if (workbook != null) {
//            downLoadExcel(fileName, response, workbook);
//        }
//
//    }
//
//    private static void downLoadExcel(String fileName, HttpServletResponse response, Workbook workbook) {
//        try {
//            response.setCharacterEncoding("UTF-8");
//            response.setHeader("content-Type", "application/vnd.ms-excel");
//            response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(fileName, "UTF-8"));
//            workbook.write(response.getOutputStream());
//        } catch (IOException var4) {
//            throw new SystemException(var4.getMessage());
//        }
//    }
//
//    private static void defaultExport(List<Map<String, Object>> list, String fileName, HttpServletResponse response) {
//        Workbook workbook = ExcelExportUtil.exportExcel(list, ExcelType.HSSF);
//        if (workbook != null) {
//            downLoadExcel(fileName, response, workbook);
//        }
//
//    }
//
//    public static <T> List<T> importExcel(String filePath, Integer titleRows, Integer headerRows, Class<T> pojoClass) {
//        if (StringUtils.isBlank(filePath)) {
//            return null;
//        } else {
//            ImportParams params = new ImportParams();
//            params.setTitleRows(titleRows);
//            params.setHeadRows(headerRows);
//            List list = null;
//
//            try {
//                list = ExcelImportUtil.importExcel(new File(filePath), pojoClass, params);
//                return list;
//            } catch (NoSuchElementException var7) {
//                throw new SystemException("模板不能为空");
//            } catch (Exception var8) {
//                var8.printStackTrace();
//                throw new SystemException(var8.getMessage());
//            }
//        }
//    }
//
//    public static <T> List<T> importExcel(MultipartFile file, Integer titleRows, Integer headerRows, Class<T> pojoClass) {
//        if (file == null) {
//            return null;
//        } else {
//            ImportParams params = new ImportParams();
//            params.setTitleRows(titleRows);
//            params.setHeadRows(headerRows);
//            List list = null;
//
//            try {
//                list = ExcelImportUtil.importExcel(file.getInputStream(), pojoClass, params);
//                return list;
//            } catch (NoSuchElementException var7) {
//                throw new SystemException("excel文件不能为空");
//            } catch (Exception var8) {
//                throw new SystemException(var8.getMessage());
//            }
//        }
//    }
//}
